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| Part Number | CD74HC190EG4 | CD74HC191EG4 | CD74HC390EG4 |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Discontinued at Digi-Key | Discontinued at Digi-Key | Discontinued at Digi-Key |
| Logic Type | Counter, Decade | Binary Counter | Counter, Decade |
| Direction | Up, Down | Up, Down | Up |
| Number of Elements | 1 | 1 | 2 |
| Number of Bits per Element | 4 | 4 | 4 |
| Reset | - | - | Asynchronous |
| Timing | Synchronous | Synchronous | - |
| Count Rate | 35 MHz | 35 MHz | 35 MHz |
| Trigger Type | Positive Edge | Positive Edge | Negative Edge |
| Voltage - Supply | 2 V ~ 6 V | 2 V ~ 6 V | 2 V ~ 6 V |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-PDIP | 16-PDIP | 16-PDIP |
